arrays.fill java

// To fill with value
int array[] = {2, 2, 1, 8, 3, 2, 2, 4, 2};
Arrays.fill(array, 10);
// [10, 10, 10, 10, 10, 10, 10, 10, 10]

// Fill from index 1 to index 4. 
Arrays.fill(array, 1, 5, 10); ); 
// [2, 10, 10, 10, 10, 2, 2, 2, 2]

// For multidimensional arrays:
// Fill each row with 10. 
int [][]array2D = new int [3][4]; 
for (int[] row : array2D) 
  Arrays.fill(row, 10); 
// [[10, 10, 10, 10], [10, 10, 10, 10], [10, 10, 10, 10]]

// Fill each row with -1.
int[][][]array3D = new int[3][4][5]; 
for (int[][] row : array3D ) { 
  for (int[] rowColumn : row) { 
    Arrays.fill(rowColumn, -1); 
  } 
} 

import java.util.Arrays;
int[] myArray = new int[10];
Arrays.fill(myArray,1);//This will fill the array with 1s